Connecting the saftey door to light burn

[jkwilborn (Jack Wilborn)]

Ezcad door interlock for galvo laser

In another thread its mentioned that the interlock feature would be added in 1.3, I have 1.4 and I cant find it, is it implemented? https://forum.lightburnsoftware.com/t/galvo-door-interlock-io-setting/74064